IQS253EV02 Evaluation Kit User Manual
Contents
1. Kit mainboard Modular design Connect one of the supplied IC modules into the mainboard or wire into a prototype for rapid prototyping Reference designs for IQS253 with user proximity amp touch detection ability Two separate module boards one for projected mode and one for self Capacitance mode Copyright Azoteq Pty Ltd 2012 All Rights Reserved IQS253EV02 Evaluation Kit User Manual Figure 2 1 IQS253EV02 Mainboard and controller modules Usedin Data Streaming Mode EV KIT requires Azoteq Configuration Tool CTxxx or DS for streaming OTP bits can be programmed on the kit requires CT220 Figure 2 2 illustrates the bottom view of the EV Kit mainboard The EV Kit can optionally be powered by two 3V coin cell batteries in series which are regulated to 3 3V and supplied to the module board The EV Kit mainboard can also draw power from a USB source by means of the mini USB connector provided on the mainboard optional Page 1 of 6 Revision 1 0 June 2012 Figure 2 2 Bottom view of EV Kit mainboard The mainboard includes a programming and data streaming header as also illustrated in the Figure 2 2 The EV Kit is interfaced to a personal computer for data streaming and programming OTP options by means of the Azoteq Configuration Tool CT220 For IC programming and visual data streaming please utilizethe USBProg and 1QS253 GUI software2. Q IQ Switch ProxSens Series 4 Azoteq IQS253EV02 Evaluation Kit User Manual IQ Switch ProxSense Series Table of Contents IQS253EV02 EVALUATION KIT USER MANUAL TABLE OF CONTENTS ccssinsarssasssmsenetunnsessensnnasescanennntenncantunns 1 INT RODUCKION bc scascavntoscsacnrareseensnnssoncsneismnsseetsnnness 2 EV KIT MAINBOARD cscssccecccsccsecceccsscssceeeens 3 MODULE BOARDS sasssssscesavsnswascepnivetarsanwenawassautuwsans 4 REFERENCE DESIGNS sssissssceccivansssersnasdenwenswesesanswinas 1 Introduction This user manual describes the operation of the IQS253EV02 Evaluation Kit The EV Kit is manufactured in three parts consisting of a mainboard and two separate plug in module boards To adjust IC OTP settings the main board can be interfaced to any personal computer with the Azoteq Configuration Tool CT220 and making the adjustments by means of theUSBProg software The purpose of the IQS253EV02 EV Kit is to help application and development engineers in evaluating the 1QS253 proximity and touch sensor 2 EV Kit Mainboard Figure 2 1 illustrates the evaluation kit mainboard and the two supplied controller modules The mainboard supplies power and other functions to the controller module boards and is easily operated Simply plug in the desired module board into the mainboard and interface with the 1QS253 GUI Software by means of the Azoteq Configuration Tool CT220 Features included in the EV
3. f the device US 6 249 089 B1 US 6 621 225 B2 US 6 650 066 B2 US 6 952 084 B2 US 6 984 900 B1 US 7 084 526 B2 US 7 084 531 B2 US 7 119 459 B2 US 7 265 494 B2 US 7 291 940 B2 US 7 329 970 B2 US 7 336 037 B2 US 7 443 101 B2 US 7 466 040 B2 US 7 498 749 B2 US 7 528 508 B2 US 7 755 219 B2 US 7 772 781 US 7 781 980 B2 US 7 915 765 B2 EP 1 120 018 B1 EP 1 206 168 B1 EP 1 308 913 B1 EP 1 530 178 B1 ZL 99 8 14357 X AUS 761094 IQ Switch ProxSense LightSense AirButton and the Q logo are trademarks of Azoteq The information in this Datasheet is believed to be accurate at the time of publication Azoteq assumes no liability arising from the use of the information or the product The applications mentioned herein are used solely for the purpose ofillustration and Azotegq makes no warranty or representation that such applications will besuitable without further modification nor recommends the use of its products for applicationthat may present a risk to human life due to malfunction or otherwise Azoteg products are notauthorized for use as critical components in life Support devices or systems No licenses topatents are granted implicitly or otherwise under any intellectual property rights Azoteqreserves the right to alter its products without prior notification For the most up to dateinformation please refer to www azoteq com WWW AZOTEQ COM ProxSenseSupport azoteq com Copyright Azoteg Pty Ltd 2012 lIQS253EV02 E
4. ng channels i supply 100pF in projected capacitance mode decoupling Small and compact PCB layout which capacitors iseasily wired to prototype applications C3 C4 Internal 1uF regulator 100pF decoupling capacitors Sense 470Q electrode CTX series resistor Added ESD Protection R1 R2 R3 Sense electrode Figure 3 2 1QS253 module board CRX series marked P resistors Added ESD Descriptions of the 1QS253 self capacitance Protection mode module board components are given in R7 R8 R9 Debug Mode Table 3 2 nn pull up resistors Copyright Azoteq Pty Ltd 2012 lIQS253EV02 Evaluation Kit User Manual Page 3 of 6 All Rights Reserved Revision 1 0 June 2012 IQ Switch ProxSense Series 4 Azoteq 3 3 1QS253 GUI Interface For operation and data visualization it is CT200 Configuration Tool The IQS243 GUI is necessary to interface the IQS243 module to a personal computer by means of the Azoteq Azoteg 105253 used to stream and visualize data in real time File Options Help Touch Thresholds read successfully Prox Thresholds read successfully Device Version PROD SW 41 0 Streaming Dis S Setup Stop Scope Pause Setup nant USB Dongle i Voltage Select TC Speed 3 3 V Fast z i V Read device settings after start up Display Options Enable Minimum Mode Baseline View Save Load Settings F Load settings on star
5. provided on the Azoteq website http www azoteg com 3 Module Boards 3 1 1QS253 Module Board Self Capacitance Mode Figure 3 1 illustrates the self capacitance mode 1QS253 Module board lts features Include 3 x Touch and proximity sensing channels in self capacitance mode Small and compact PCB layout which is easily wired to prototype applications 1QS253 Figure 3 1 Module board marked S Descriptions of the components are given in Table 3 1 Copyright Azoteq Pty Ltd 2012 All Rights Reserved IQ Switch ProxSense Series 4 Azoteq Table 3 1 1QS253 S ModeModule board component description Component Purpose Typical value Power 1uF supply 100pF decoupling capacitors C1 C2 C3 C4 Internal 1uF regulator 100pF decoupling Capacitors R4 Boolean 1000 Output R1 R2 R3 Sense 4700 electrode Cx series resistors Added ESD Protection IQS253EV02 Evaluation Kit User Manual Revision 1 0 R5 R6 R7 Streaming pull up resistors Page 2 of 6 June 2012 ly IQ Switch Q nou Series G Az O te Q 3 2 1QS253 Module Board Table3 2 I1QS253 P Mode Module Projected Capacitance Mode board component description Figure 3 2 illustrates the projected mode Component Purpose Typical value IQS253 Module board Its features include C1 C2 Power 1uF 3 x Touch and Proximity sensi
6. t up Save Settings Log Streaming Data Start Log Log All Data X Apply Settings set ATI Partial Projected Bias Alt Base Off 1 25 uA off A 25u A 7 on SuA SM 10s ATI Block 10uA 229 9pF Disabled Target ATI 59 8 pF a Sa Redo att ATI Busy No Comms Event Mask Event Mode V Prox C Event Mode V Touch Streaming Mode V Noise WDT Enable Timeout V Boolean On V Dycal off V ATI IC Version Enabled Disabled LTA Filter _ _ et e LTA Adapt LTA AdaptIn LTA Adapt Out o 1 56 A ee 0 10 0 78 313 20 39 0 78 E Force Halt 0 01 Dycal Memory Map Export to file Touch THR of LTA Prox Boolean NOT Mask Figure 3 3 The 1QS253 Software GUI can be downloaded from the following link http www azoteq com images stories software azoteq igs253 setup zip Plug in the Mainboard on Start Copyright Azoteq Pty Ltd 2012 All Rights Reserved IQS253 module Use in Boolean Operation 1QS253 Graphical User Interface Output on Touch AlwaysHalt Release THR Disabled Disabled 75 C Enabled Enabled 50 250ms Delay Turbo Mode off 87 5 On 100 Other o Halt Charge Noise Detect Prox Debounce 20 Off 6 On On 4 Xfer Freq AC Filter CH1Block Lo
7. valuation Kit User Manual Page 6 of 6 All Rights Reserved Revision 1 0 June 2012 Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery amp Lifecycle Information Azoteq IQS253EV02S
8. w Power P On Oof 0 Oof Wan The GUI display is illustrated in Figure 3 3 where channel 3 shows a valid touch and into the Connect the Mainboard to the Azoteg CT Run the 1QS253 Software GUI and Click IQS253EV02 Evaluation Kit User Manual Revision 1 0 proximity is detected on all other channels Page 4 of 6 June 2012 1 IQ Switch Q hr Series 4 Az O fe Q 4 Reference Designs 4 1 1QS253 Self Capacitance Reference Design 4 f CRX R1 VDDHI VDDHI O i 470 D O CRX1 02 0 m SDA ply _ C3 100pF 1uF n ae gt M 10K PARM D O A D Tm 10K RDY GND R4 i 100 GND 7 GND Figure 4 1 1QS253 Self Capacitance Mode Reference design 4 2 1QS253 Projected Capacitance Reference Design CRXO R1 a VDDHI Q 470 CD cre fo fe Le l SDA mm 470 7 O sa D RDY R4 470 viN VBA O X GND O Figure 4 2 1QS253 Projected Mode Reference design Copyright Azoteq Pty Ltd 2012 IQS253EV02 Evaluation Kit User Manual Page 5 of 6 All Rights Reserved Revision 1 0 June 2012 ly IQ Switch Q nr Series 4 Azoteq The following patents relate to the device or usage o
Download Pdf Manuals
Related Search